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EurekAlert 412 Science X network 161 EurekAlert! 152
EurekAlert! - Earth 108 Scripps Institution 99 us environmental pro 93
United States Depart 74 Science Daily 73 Woods Hole Oceanogra 63
World Business Counc 61 Environmental Monito 60 Imperial College Lon 56
United Nations Envir 54 US Environmental Pro 51 Water Environment Fe 50
World Resources Inst 42 World Wide Fund for 41 Critical Zone Explor 36
Natural Environment 35 Environmental Protec 29